80/20 Rule

Another way to prioritize tasks is by using the 80/20 rule. This rule states that 20% of your work will account for 80% of your results. 

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The Pareto Principle could also be observed in almost every industry:

• In software, 80% of the errors and crashes in a system would be eliminated by fixing the top 20% of the most reported bugs.
• In sports, 20% of athletes participate in 80% of the big games

The 80/20 rule, also known as the Pareto principle, states that we need to focus on the few things that get us the most benefit.

For a lot of events, approximately 80% of the effects come from 20% of the causes. So pick the 20% of your tasks that yield 80% of the results and outsource...